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A 1.4-lb uniform arm ABC is supported by a pin at B and is attached to a spring at A. It is connected at C to a 3-lb weight W which is attached to a spring. Knowing that each spring can act in tension or compression, determine the frequency of small oscillations of the system when the weight is given a small vertical displacement and released.
A race car(m=800kg) starting from rest completes a 450m dragrace in a time of 3s. what is the engine's average power output
suppose our experimenter repeats his experiment on a planet more massive than earth where the acceleration due to
A bowling ball rolls from rest down a straight 20m steel ramp and reaches a velocity of 20 m/s at the end of the ramp in 8 seconds. What is the bowling ball's original velocity
An outdoor circular fish pond has a diameter of 4.00 m and a uniform full depth of 1.40 m. How far away from the edge of the pond is the person
A softball of mass 0.220 kg that is moving by a speed of 7.0 m/s (in the positive direction) collides head-on and elastically by another ball initially atrest. Afterward it is found that the incoming ball has bounced backward with a speed of 5 m/s.
The other end goes over a pulley 1.8m away and is attached to a 7 kg cement block. When the string is plucked like a guitar the third harmonic has a frequency of 522Hz.
Assuming that the acceleration is uniform when the racquet is applied over a distance of 0.52 m, illustrate what is the magnitude of the force exerted on the ball by the racquet?
A spacecraft is in a circular orbit about the moon, 1.03 x 105 meter above its surface. The speed of the spacecraft is 1770 meter per second, Find the apparent speed of the spacecraft's image
A uniformly charged conducting sphere of 1.5 m diameter has a surface charge density of 11 µC/m2. Find the net charge in coulombs on the sphere
The energy given off by 300 grams of an alloy as it cools through 50 degrees Celcius raises the temperature of 300 grams of water from 30 degrees Celsius to 40 degrees Celcius.
A wire made of aluminum is 882 m long and has a cross-sectional area of 36.6 10-7 m2. It is observed that 6.6 C pass through the wire in 79.2 s. Determine the power loss of the wire
Two 53 {rm g} blocks are held 30 {rm cm} above a table. One of them is just touching a 50-long spring. The blocks are released at the same time. The block on the left hits the table at accurately the same instant as the block on the right first comes..
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